Q&A with Alexandra Weinbaum, who wrote her very moving book, 'Careful Old Letters,' after discovering a box of old family letters sent from the WWII ghettos in Europe. In Weinbaum's book, voices silenced in the Holocaust come to life.

Alexandra Weinbaum's book, 'Careful Old Letters: A Jewish Family's Story,' is an evocative tale of personal discovery and Holocaust history, based on a box of old letters sent from the Jewish ghettos of Europe during WWII.